Mean-field theory of the Potts glass

D. J. Gross, I. Kanter, H. Sompolinsky

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331 Scopus citations


Randomly interacting p-state Potts spins may freeze into a Potts-glass phase in which the Potts symmetry is unbroken, on the average. The mean-field theory of this phase transition is presented. Unlike the spin-glass case, there exist two distinct Potts-glass phases that differ in the nature of the correlations among the many degenerate ground states of the system. For p>4, the transition from the disordered phase is unusual: The freezing occurs discontinuously but without latent heat. Similar results hold for mean-field quadrupolar-glass models.

Original languageEnglish
Pages (from-to)304-307
Number of pages4
JournalPhysical Review Letters
Issue number3
StatePublished - 1985


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